/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 76px;
  overflow: hidden;
  width: 100%;
}
.hero-3d {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.85;
  pointer-events: none;
  overflow: hidden;
}
.hero-3d canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  padding: 0 var(--gutter);
}
.hero-top {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-bottom: 40px;
}
.hero-tagline {
  max-width: 360px;
}
.hero-tagline p:first-child {
  margin-bottom: 8px;
  opacity: 0.6;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  padding: 40px 0;
  border-top: 0.5px solid var(--c-border-02);
  border-bottom: 0.5px solid var(--c-border-02);
}
.hero-stats div {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.hero-stats .label-mono {
  white-space: normal;
  word-break: break-word;
}
.stat-index {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--c-muted-2);
}
@media (min-width: 640px) {
  .hero-top {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
  .hero-tagline {
    text-align: right;
  }
  .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 32px;
    padding: 48px 0;
  }
}

/* ============ ABOUT ============ */
.about-section {
  padding: 80px 0;
  background: var(--c-surface-low);
  overflow: hidden;
  width: 100%;
}
.marquee-wrap {
  overflow: hidden;
  border-top: 0.5px solid var(--c-border-02);
  border-bottom: 0.5px solid var(--c-border-02);
  padding: 24px 0;
}
.animate-marquee {
  display: flex;
  white-space: nowrap;
  width: max-content;
  animation: marquee 26s linear infinite;
}
@media (prefers-reduced-motion: reduce) {
  .animate-marquee {
    animation: none;
  }
}
.marquee-item {
  font-family: "Syne", sans-serif;
  font-size: clamp(36px, 8vw, 80px);
  font-weight: 700;
  margin: 0 32px;
}
.marquee-item.dim {
  opacity: 0.1;
}
@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}
.about-grid {
  margin-top: 64px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gutter);
}
.glass-card {
  background: var(--c-glass);
  backdrop-filter: blur(20px);
  border: 0.5px solid var(--c-border-02);
  padding: 28px;
}
.card-title {
  margin-bottom: 16px;
  display: block;
}
.expertise-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.expertise-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--f-body-md);
}
.expertise-list .material-symbols-outlined {
  font-size: 18px;
  color: var(--c-secondary-container);
  flex-shrink: 0;
}
@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 7fr 4fr;
    align-items: end;
  }
  .about-section {
    padding: var(--section-gap) 0;
  }
}

/* ============ STACK ============ */
.stack-section {
  padding: 80px 0;
}
.stack-header {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 56px;
}
.stack-note {
  max-width: 220px;
  color: var(--c-muted-2);
}
.stack-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-border-015);
  border: 0.5px solid var(--c-border-015);
}
.stack-card {
  background: var(--c-card-bg);
  padding: 28px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.4s;
  min-width: 0;
}
.stack-card:hover {
  background: var(--c-primary-container);
}
.stack-card:hover .headline-md,
.stack-card:hover .stack-sub,
.stack-card:hover .label-mono {
  color: #fff;
}
.stack-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.stack-icon {
  width: 28px;
  height: 28px;
  object-fit: contain;
}
.stack-sub {
  margin-top: 8px;
  color: var(--c-muted-2);
  font-size: 10px;
}
@media (min-width: 640px) {
  .stack-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .stack-card {
    padding: 36px;
    min-height: 240px;
  }
}
@media (min-width: 900px) {
  .stack-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
  .stack-section {
    padding: var(--section-gap) 0;
  }
}

/* ============ PROJECTS ============ */
.projects-section {
  padding: 80px 0;
  background: var(--c-primary);
  color: var(--c-on-primary);
  overflow: hidden;
}
.projects-header {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 56px;
}
.scroll-hint {
  display: none;
}
.project-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gutter);
  align-items: center;
  margin-bottom: 72px;
  padding-bottom: 72px;
  border-bottom: 0.5px solid var(--c-border-on-dark-008);
}
.project-row:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.project-visual {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, #141414, #000);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0.5px solid var(--c-border-on-dark-008);
}
.project-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
  transition:
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.3s ease;
}
.project-visual:hover img {
  transform: scale(1.06);
  opacity: 1;
}
/* ============ IN-DEVELOPMENT BADGE OVERLAY ============ */
.project-visual.in-development img,
.project-cover.in-development img {
  filter: grayscale(0.5) brightness(0.55);
  transition: none; /* overrides the default hover-zoom transition below */
}
.project-visual.in-development:hover img,
.project-cover.in-development:hover img {
  transform: none;
  opacity: 1;
}

.dev-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(8px);
  border: 0.5px solid rgba(255, 61, 77, 0.4);
  border-radius: 999px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #ffb3b8;
  white-space: nowrap;
  pointer-events: none;
  animation: devBadgePulse 2.4s ease-in-out infinite;
}
.dev-badge .material-symbols-outlined {
  font-size: 15px;
  color: #ff3d4d;
}
@keyframes devBadgePulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(255, 61, 77, 0.25);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(255, 61, 77, 0);
  }
}
@media (prefers-reduced-motion: reduce) {
  .dev-badge {
    animation: none;
  }
}

.project-index {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(6px);
  padding: 5px 10px;
  border: 0.5px solid var(--c-border-on-dark-015);
}

.corner {
  position: absolute;
  width: 18px;
  height: 18px;
  opacity: 0;
  transition:
    opacity 0.4s ease,
    transform 0.4s ease;
  z-index: 2;
}
.corner.tl {
  top: 10px;
  left: 10px;
  border-top: 1.5px solid var(--c-secondary-dim);
  border-left: 1.5px solid var(--c-secondary-dim);
  transform: translate(6px, 6px);
}
.corner.tr {
  top: 10px;
  right: 10px;
  border-top: 1.5px solid var(--c-secondary-dim);
  border-right: 1.5px solid var(--c-secondary-dim);
  transform: translate(-6px, 6px);
}
.corner.bl {
  bottom: 10px;
  left: 10px;
  border-bottom: 1.5px solid var(--c-secondary-dim);
  border-left: 1.5px solid var(--c-secondary-dim);
  transform: translate(6px, -6px);
}
.corner.br {
  bottom: 10px;
  right: 10px;
  border-bottom: 1.5px solid var(--c-secondary-dim);
  border-right: 1.5px solid var(--c-secondary-dim);
  transform: translate(-6px, -6px);
}
.project-visual:hover .corner {
  opacity: 1;
  transform: translate(0, 0);
}

.project-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(3px);
  opacity: 0;
  transition: opacity 0.35s ease;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #fff;
}
.project-overlay .material-symbols-outlined {
  font-size: 16px;
}
.project-visual:hover .project-overlay {
  opacity: 1;
}
.project-visual.no-link {
  cursor: default;
}

.project-title {
  font-family: "Syne", sans-serif;
  font-size: clamp(26px, 5vw, 36px);
  line-height: 1.1;
  margin: 16px 0 20px;
}
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.tag {
  padding: 6px 12px;
  border: 0.5px solid var(--c-tertiary-dim);
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  transition:
    border-color 0.3s,
    color 0.3s;
}
.tag:hover {
  border-color: var(--c-secondary-dim);
  color: var(--c-secondary-dim);
}
.project-link-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
}
.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.3s;
  min-height: 44px;
}
.project-link:hover {
  color: var(--c-secondary-dim);
}
.project-link .material-symbols-outlined {
  font-size: 16px;
}
.project-link.disabled {
  opacity: 0.35;
  cursor: default;
}


/* ============ DISABLED LINK TOOLTIP ============ */
.link-disabled {
  position: relative;
  opacity: 0.45;
  cursor: not-allowed;
  z-index: 5;
  isolation: isolate;
}
.link-disabled:hover,
.link-disabled:focus-visible {
  color: inherit;
}
.link-disabled::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 16px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  width: max-content;
  max-width: min(220px, calc(100vw - 2 * var(--gutter) - 16px));
  background: var(--c-card-bg);
  color: var(--c-ink);
  border: 0.5px solid var(--c-border-03);
  border-radius: 4px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  text-transform: none;
  text-align: center;
  white-space: normal;
  padding: 10px 12px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
  z-index: 60;
}
.link-disabled::before {
  content: "";
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--c-border-03);
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 60;
  pointer-events: none;
}
.link-disabled:hover::after,
.link-disabled:focus-visible::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.link-disabled:hover::before,
.link-disabled:focus-visible::before {
  opacity: 1;
}
@media (prefers-reduced-motion: reduce) {
  .link-disabled::after,
  .link-disabled::before {
    transition: none;
  }
}
.case-study-btn {
  border-bottom: 0.5px solid var(--c-border-on-dark-025);
  padding-bottom: 2px;
}
.case-study-btn:hover {
  border-color: var(--c-secondary-dim);
}
@media (min-width: 900px) {
  .project-row {
    grid-template-columns: 7fr 4fr;
  }
  .project-row.reverse {
    grid-template-columns: 4fr 7fr;
  }
  .project-row.reverse .project-info {
    order: 1;
  }
  .project-row.reverse .project-visual {
    order: 2;
  }
  .scroll-hint {
    display: block;
  }
  .projects-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }
  .projects-section {
    padding: var(--section-gap) 0;
  }
}

/* ============ CONTACT ============ */
.contact-section {
  position: relative;
  padding: 80px 0 120px;
  min-height: 70vh;
  display: flex;
  align-items: center;
  width: 100%;
  overflow: hidden;
}
.contact-inner {
  text-align: center;
  width: 100%;
  margin: 0 auto;
}
.contact-heading {
  margin-bottom: 48px;
  line-height: 1.05;
  text-align: center;
  width: 100%;
}
@media (min-width: 900px) {
  .contact-section {
    padding: var(--section-gap) 0;
    min-height: 80vh;
  }
}
/* ============ MOBILE CONTACT HEADING — PREVENT CLIPPING ============ */
@media (max-width: 640px) {
  .contact-heading {
    font-size: clamp(1.6rem, 8.2vw, 3rem);
    letter-spacing: -0.01em;
    word-break: normal;
    overflow-wrap: normal;
    hyphens: none;
  }
}